ATA135289A - Diffusionsplaettchen - Google Patents

Diffusionsplaettchen

Info

Publication number
ATA135289A
ATA135289A AT891352A AT135289A ATA135289A AT A135289 A ATA135289 A AT A135289A AT 891352 A AT891352 A AT 891352A AT 135289 A AT135289 A AT 135289A AT A135289 A ATA135289 A AT A135289A
Authority
AT
Austria
Prior art keywords
tiles
diffusion
diffusion tiles
Prior art date
Application number
AT891352A
Other languages
English (en)
Other versions
AT397341B (de
Original Assignee
Zeiss Carl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zeiss Carl filed Critical Zeiss Carl
Publication of ATA135289A publication Critical patent/ATA135289A/de
Application granted granted Critical
Publication of AT397341B publication Critical patent/AT397341B/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/13—Ophthalmic microscopes
    • A61B3/135—Slit-lamp microscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biophysics (AREA)
  • Eye Examination Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
AT0135289A 1988-07-09 1989-06-02 Diffusionsplättchen AT397341B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8808871U DE8808871U1 (de) 1988-07-09 1988-07-09 Diffusionsplättchen für Spaltlampengeräte

Publications (2)

Publication Number Publication Date
ATA135289A true ATA135289A (de) 1993-08-15
AT397341B AT397341B (de) 1994-03-25

Family

ID=6825857

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0135289A AT397341B (de) 1988-07-09 1989-06-02 Diffusionsplättchen

Country Status (6)

Country Link
US (1) US4936673A (de)
JP (1) JPH0612731Y2 (de)
AT (1) AT397341B (de)
CA (1) CA1314032C (de)
DE (1) DE8808871U1 (de)
NL (1) NL8901479A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10108254A1 (de) 2001-02-21 2002-08-22 Leica Microsystems Optische Betrachtungseinrichtung mit Vorrichtung zur partiellen Reduktion der Intensität der Beleuchtung
ES2281301B1 (es) 2006-10-16 2008-07-16 Universidad Complutense De Madrid Dispositivo de iluminacion con filtro terapeutico y profilactico para ojos sanos, pseudo-afaquicos y/o en proceso de neurodegeneracion.
US7832903B2 (en) * 2006-11-07 2010-11-16 Universidad Complutense De Madrid Illumination system fitted with a therapeutic/prophylactic filter for healthy eyes, pseudoaphakic eyes or eyes suffering neurodegeneration
US7914177B2 (en) 2006-11-07 2011-03-29 Universidad Complutense De Madrid Prophylaxic/therapeutic vehicle filter component for healthy eyes, pseudoaphakic eyes or eyes suffering neurodegeneration
ES2289957B1 (es) 2007-02-07 2008-12-01 Universidad Complutense De Madrid Fuente de iluminacion con emision reducida de longitudes de onda corta para la proteccion de ojos.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944343A (en) * 1974-08-16 1976-03-16 Codman & Shurtleff, Inc. Light inclining accessory for slit lamp

Also Published As

Publication number Publication date
CA1314032C (en) 1993-03-02
DE8808871U1 (de) 1988-09-01
NL8901479A (nl) 1990-02-01
AT397341B (de) 1994-03-25
US4936673A (en) 1990-06-26
JPH0612731Y2 (ja) 1994-04-06
JPH0213504U (de) 1990-01-29

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee